Replication Data for: Cold chain logistics efficiency in China: comprehensive measurement and promotion strategies from a low-carbon perspective

This is the relevant data of the research on the efficiency measurement and influencing factors of China's cold chain logistics, mainly the four major urban agglomerations in China(Beijing-Tianjin-Hebei, Yangtze River Delta, Sichuan-Shaanxi-Chongqing, and Pearl River Delta). It includes CCLE and social fixed asset investment, number of CCL employees, carbon emission of CCL, highway mileage, CCL , storage capacity, number of refrigerated/insulated vehicles, the total CCL, the total demand of CCL, GDP, degree of government support, and other related data.